Cita APA (7a ed.)

Massachusetts & Roy, M. B. (1980). Patterns of crime and delinquency in Massachusetts: 1978 - 1979. Commissioner of Probation.

Cita Chicago Style (17a ed.)

Massachusetts y Marjorie B. Roy. Patterns of Crime and Delinquency in Massachusetts: 1978 - 1979. Boston: Commissioner of Probation, 1980.

Cita MLA (9a ed.)

Massachusetts y Marjorie B. Roy. Patterns of Crime and Delinquency in Massachusetts: 1978 - 1979. Commissioner of Probation, 1980.